Xenema-syringe



il@ Q5. @Mi/wh,

UNITED FFICE.

F. B. RICHARDSON AND B. L. RICHARDSON, 0F BOSTON, MASSACHUSETTS.

ENEMA-SYRINGE.

-Specficationof Letters Patent No. 28,196, dated MayB, l1860.

T o all whom "it may concern.'

Be itknown that we, FRANCIS B. RICHARD- SON `and BYRON 1L. RICHARDSON, of Boston, in fthe county'ofStiffolkand State of Massachusetts, have invented an Improved Manufacture of Encina-Syringes; and `we do hereby declare that the same is A"il'ully described and represented in the following specification and the `accompanying drawings, of which- Figure '1, denotes a side view, and Fig. 2, a longitudinal sectionof-our said syringe, and showing its elastic bulb as arrangedat orabout at right angles with its tubes of induction and eduction. Fig. 3, is a side view of it with the elastic `bulb `in line with the tube `of induction and 4at a right angle with the ltube of emission. Fig. 4, isa lside view of the Davidson `syringe 'wherein the 'elastic'bulb is made with two openings, and

arranged with its `axis in line with those `of the 'iiexible tubes, and is connected to such tubes by two separate metallic tubular connections.

In Figs. l, 2 `and 3, A denotes the elastic bulb or receiver, it being constructed of caoutchouc or other proper elastic'material or composition, and with one mouth piece to receive and fit upon one of the three branches m, y, and e, of a three fold metallic connection or coupling, I, whose other two branches are fitted respectively in two long flexible pipes, B, C, one of which, viz, B, is the supply pipe and the other the eduction pipe for such bulb. The longer axis of the bulb is arranged at or about at a right angle with the axis of the eduction tube, and the outer end of the said eduction tube, C, is connected with a valve chamber or case, K, from which either a vaginal, or rectum tube, D, may be made to extend or form aconnection piece, d, screwed to the valve chamber. The said valve case we provide with a light elastic ball valve, a, to play toward and away from a seat, b, suitably formed in the valve case.

At the outer end of the supply tube, B, there is another valve case or box, F, terminated by a receiving pipe, G, and furnished with a ball valve, d', to play between a seat, c, and the connection cap, f, of the said valve case. Each valve case is fur* nished with a tubular projection or tenon, g, to fit into the next adjacent flexible tube and connect it with the valve case.

When the induction tube is inserted in a `mass of `fluid and the bulb lis seized 'within and alternately 4compressed and -su'ifered to expand by zthe hand of `a 4person, the Huid 'will be drawn into lthe Ebulb and expelled keepin@f the Ireceiving tube in the dish, but

that ofoperating'the bulbfbut with Aour Vimproved syringe, Athe Vlong liexible induction tube allows its i-valve box to sink inthe lfluid and `maintain itself Linder the surface thereof by its own weight.` However, the 'position of the bulb may be varied whilefbeing put in operation.

Withthe enema syringe wherein the elastic bulb `is `arranged -in-a 'line with 'and connected by separate metallic connections, `with two long flexible tubes of induction and eduction '(such syringe being exhibited Lin Fig. 4,) Vthe elastic bulb is also brought into an inconvenient `position lto be lgrasped v:by

the `-hand, as the hand, while `operating it,

is thrown more or less out of its normal position relatively to the wrist of the arm and consequently, occasions more or less twitching or such a movement of the injection tube as to be inconvenient or often dangerous to the user. Wit-h an arrangement of the bulb relatively to the flexible induction pipe, the hand while operating the bulb retains its normal and true position with respect to the forearm, or is not bent at the wrist. Beside this, as we employ but one metallic connection for the bulb and flexible pipes, we save the necessity of having two metallic connections and two mouths to the bulb as employed in the syringe shown in Fig. 4. We employ but three joints in connectin the pipes and bulb, whereas, four are use in the syringe shown in Fig. 4. Therefore our syringe is less liable to leakage and derangement.

VVe are aware, that in the ordinary brass cylinder stomach ump, the cylinder is placed at right ang es to the tubes of induction and eduction. This, however belongs to a distinct species of pumping apparatus, or one wherein the fluid is raised into the pump barrel and expelled therefrom by the operation of a piston moving in the barrel,

Whereas, our invention relates particularly to such pumps as'have an elastic-bulb to be held in and operated by one hand of a person and to leave his other hand free to hold the terminal tube.

In that species of pump, to Which the stomach pump, and many kinds of metallic lavement apparatus belong, the pump barrel, While the pump is in operation, requires to be held in one hand of the operator While with his other hand he Works the piston. Thus, it Will be seen, that such pumps require both his hands to be employed in their operation,`neither hand b eing free to hold and direct the terminal tube.

Furthermore, our syringe has an advantage over the Davidson syringe, shown in Fig. 4, inasmuch as with. the latter, a large portion of the fluid is like-ly to remain in the bulb after each compression, and this on account of about half of the bulb being beloW the line lof its pipes, Whereas, in our syringe, the Whole of thebulb is above the pipes, and being Vmade to stand vertically when in use, it is more favorably situated for a complete discharge of the'fluid at each compression of the bulb; Thus, sediment is not so liable to collect in the bulb of our syringe as it is in the Davidson syringe.

In our syringe the bulb may be held vertically While in use Without creating any sudden bend or iexure of either of its flexible pipes, Whereas such is not the case With either the Davidson or the Mattson syringe.

Therefore, We lay no claim to the invention of the barrel and piston syringe Whether the piston thereof be operated by the hand ofl the user or' by mechanical and separate-means;A Nor do We claim either of the elastic bulb syringes of Mattson or Davidson to which reference has hereinbefore been made. Nor do We claim an elastic bulb enema syringe as made not only with a metallic valve case, an elastic bulb placed on such valve case, and a metallic or inliexible terminal tube screwed directly to the valve, but with a flexible induction tube, extending from the'valve case, and With the elastic bulb arranged at right angles to the terminal and induction tubes, the Whole being as exhibited in the instrument for Which a patent Was granted May .22nd A. D. 1833 to J ohnPearshall and David Gilbert. This latter syringe has no iexible eduction pipe, and consequently, as its metallic terminal pipe Was attached directly to the bulb,yvith out any flexible connection, the instrument was dangerous in its use, and Was abandoned-only one of them havingbeen made as We have been informed by'one of the patentees. J

What We claim is-A Our improved manufacture of elastic bulb ,enema syringe as made by comb-ining an elastic bulb, A, two long flexible induction and eduction pipes B, C, andtWo se arate valve chambers K, F, With a three fol separate connector, I, for connecting the elastic bulb and flexible pipes.

FRANCIS B. RICHARDSON. BYRON L. RICHARDSON. Witnesses:

R. H. EDDY, F. P. HALE, Jr. 

